Dog boot



FIG. 1 is a perspective view of a dog boot showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the figures are for the purpose of illustrating portions of the dog boot, that form no part of the claimed design. 

CLAIM The ornamental design for a dog boot, as shown and described. 